Patents by Inventor Richard Barrans

Richard Barrans has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • MULTIVALENT METAL ION EXTRACTION USING DIGLYCOLAMIDE-COATED PARTICLES
    Publication number: 20070163957
    Abstract: A separation medium, a method for using that separation medium and an apparatus for selectively extracting multivalent cations such as pseudo-lanthanide, prelanthanide, lanthanide, preactinide or actinide cations from an aqueous acidic sample solution is described. The separation medium is preferably free-flowing and comprises particles having a diglycolamide (DGA) extractant dispersed onto an inert, porous support.
    Type: Application
    Filed: January 2, 2007
    Publication date: July 19, 2007
    Inventors: E. Horwitz, Richard Barrans, Andrew Bond
  • MULTIVALENT METAL ION EXTRACTION USING DIGLYCOLAMIDE-COATED PARTICLES
    Publication number: 20070131618
    Abstract: A separation medium, a method for using that separation medium and an apparatus for selectively extracting multivalent cations such as pseudo-lanthanide, prelanthanide, lanthanide, preactinide or actinide cations from an aqueous acidic sample solution is described. The separation medium is preferably free-flowing and comprises particles having a diglycolamide (DGA) extractant dispersed onto an inert, porous support.
    Type: Application
    Filed: January 2, 2007
    Publication date: June 14, 2007
    Inventors: E. Horwitz, Richard Barrans, Andrew Bond